What was the return for the company CLB in the month of July $2010,$ if you know the following: Closing price $6/30/2010$: $$147\mathrm{.}61$ There was a $2$:$1$ split $7/9$ and $$0\mathrm{.}71$ dividends per share paid on $7/21$; closing price on $7/30/2010$ is $77\mathrm{.}25$

$($Provide your answer in percent without the $\%$ sign, rounded to $2$ digits$)$